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TROUBLESHOOTING & REPAIR
F-5 F-5
LN-9 Wire Feeder
TROUBLESHOOTING GUIDE Observe Safety Guidelines
detailed in the beginning of this manual.
CAUTION
If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely, con-
tact the Lincoln Electric Service Department for electrical troubleshooting assistance before you proceed. Call 216-
383-2531 or 1-800-833-9353.
PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF
MISADJUSTMENT(S)
RECOMMENDED
COURSE OF ACTION
FUNCTION PROBLEMS
The wire feed "coasts" when the
gun trigger is released. The inter-
lock switch is OFF.
1. Make sure the gun trigger is not
"sticking."
1. The relay 1CR may be faulty.
Replace.